Composition of biogenic VOCs emitted from select plant species near Cataract Scout Park, Australia, taken during the COALA-2020 campaign
Data Publisher for Earth & Environmental Science
Measurements of volatile organic compounds composition were captured using thermal desorption tubes from a Teflon enclosure. Measurements were taken at Cataract Scout Park, Appin, N.S.W. (34°14'42.29S 150°49'24.97E) as part of the Characterizing Organics and Aerosol Loading over Australia (COALA-2020) campaign. Enclosures captured branches of select local tree/shrub species. […]
Measurements of volatile organic compounds composition were captured using thermal desorption tubes from a Teflon enclosure. Measurements were taken at Cataract Scout Park, Appin, N.S.W. (34°14'42.29S 150°49'24.97E) as part of the Characterizing Organics and Aerosol Loading over Australia (COALA-2020) campaign. Enclosures captured branches of select local tree/shrub species. Branch level VOC samples were made using a custom built, 9L branch enclosure. The two ends of the chamber were made from polytetrafluoroethylene (PTFE) supporting a transparent enclosure made from polyvinyl fluoride film (Dupont Chemicals, Macquarie Park, NSW, Australia). Ambient air, passed through an activated charcoal scrubber, was supplied to the chamber at 12 L min-1 using a mass flow controller (Aalborg, Orangeburg, NY, USA). Temperatures inside and outside the chamber were recorded manually every 5 minutes using a Digitech thermocouple thermometer with type K thermocouples (Jaycar Electronics, Rydalmere, NSW, Australia). Photosynthetically active radiation (PAR; µmol m-2 s-1) was recorded at the top of the chamber manually every 5 minutes using an Asensetek Lighting Passport; Asensetek, Taipei, Taiwan). VOCs were collected from the enclosures using a sorbent tube containing Tenax TA (Markes International Ltd, Llantrisant, U.K) connected to an air pump (AirChek 2000; SKC Inc., Eighty-Four, PA, USA) flowing air at 200mL min-1 for 30 minutes. Branches were allowed 30 minutes to acclimate to conditions within the enclosure before VOC sampling commenced. Background (control) enclosure samples were taken at the beginning and end of each day. Post-sampling, tubes were maintained at 4°C until analysis by GC-MS. Sampling occurred over a two-week period in January 2020 and again in March 2020. Sorbent tubes were analysed by thermal desorption GC-MS using the same equipment and protocols described in Lawson et al. (2020; doi:10.3389/fmars.2020.00106). GC-MS data was then post-processed as described in Lawson et al. (2020) except contaminants were subtracted using mean plus 95% confidence values. Peaks were identified by manually comparing mass spectra against a commercial library (NIST08 library in NIST MS Search v.2.2f; NIST, Gaithersburg, MD, United States) using a match factor of 700. When peaks could not be identified, these were labelled using the format UNK with the number that follows being the retention time of the compound. Values for the peaks are expressed as percentages of the total quantifiable peak area (%TQPA).
Raw spectra data alongside derived concentrations from the Cataract Scout Park, Australia, taken during the COALA-2020 campaign
Chromatography file containing mass spectra associated with sample
Volatile organic compound, unidentified peak of the total quantifiable peak area
Gas chromatography - Mass spectrometry (GC-MS)
UNK3.77 (Retention time of the unknown peak).
UNK4.799 (Retention time of the unknown peak).
UNK4.80 (Retention time of the unknown peak).
UNK5.02 (Retention time of the unknown peak).
UNK5.12 (Retention time of the unknown peak).
UNK5.14 (Retention time of the unknown peak).
UNK5.26 (Retention time of the unknown peak).
UNK5.29 (Retention time of the unknown peak).
UNK5.35 (Retention time of the unknown peak).
UNK6.04 (Retention time of the unknown peak).
UNK6.20 (Retention time of the unknown peak).
UNK6.36 (Retention time of the unknown peak).
Acetone peak of the total quantifiable peak area
UNK6.88 (Retention time of the unknown peak).
2-Methyl-1,3-butadiene peak of the total quantifiable peak area
UNK7.46 (Retention time of the unknown peak).
UNK8.04 (Retention time of the unknown peak).
UNK8.32 (Retention time of the unknown peak).
UNK8.77 (Retention time of the unknown peak).
UNK8.78 (Retention time of the unknown peak).
UNK8.79 (Retention time of the unknown peak).
Methyl vinyl ketone peak of the total quantifiable peak area
2-Methylpropanal peak of the total quantifiable peak area
UNK9.51 (Retention time of the unknown peak).
2-Butanone peak of the total quantifiable peak area
Acetic acid peak of the total quantifiable peak area
UNK10.18 (Retention time of the unknown peak).
UNK10.4 (Retention time of the unknown peak).
UNK10.45 (Retention time of the unknown peak).
UNK10.46 (Retention time of the unknown peak).
UNK10.61 (Retention time of the unknown peak).
UNK10.92 (Retention time of the unknown peak).
UNK11.12 (Retention time of the unknown peak).
2-Methylpropan-1-ol peak of the total quantifiable peak area
UNK11.67 (Retention time of the unknown peak).
UNK11.73 (Retention time of the unknown peak).
UNK11.88 (Retention time of the unknown peak).
UNK11.92 (Retention time of the unknown peak).
UNK12.25 (Retention time of the unknown peak).
UNK12.26 (Retention time of the unknown peak).
UNK12.6 (Retention time of the unknown peak).
UNK12.76 (Retention time of the unknown peak).
UNK13.00 (Retention time of the unknown peak).
UNK13.014 (Retention time of the unknown peak).
UNK13.02 (Retention time of the unknown peak).
1,3-Hexadien-5-yne peak of the total quantifiable peak area
UNK13.04 (Retention time of the unknown peak).
UNK13.50 (Retention time of the unknown peak).
UNK13.55 (Retention time of the unknown peak).
2-Pentanone peak of the total quantifiable peak area
UNK13.94 (Retention time of the unknown peak).
3-Pentanone peak of the total quantifiable peak area
UNK14.56 (Retention time of the unknown peak).
UNK14.67 (Retention time of the unknown peak).
UNK14.72 (Retention time of the unknown peak).
UNK14.80 (Retention time of the unknown peak).
UNK14.9007 (Retention time of the unknown peak).
UNK14.9008 (Retention time of the unknown peak).
1-Heptene peak of the total quantifiable peak area
UNK15.063 (Retention time of the unknown peak).
UNK15.16 (Retention time of the unknown peak).
Heptane peak of the total quantifiable peak area
UNK15.486 (Retention time of the unknown peak).
UNK15.49 (Retention time of the unknown peak).
UNK15.72 (Retention time of the unknown peak).
UNK15.79 (Retention time of the unknown peak).
2,2,4-Trimethyl-4-pentene peak of the total quantifiable peak area
UNK16.33 (Retention time of the unknown peak).
UNK16.91 (Retention time of the unknown peak).
UNK16.914 (Retention time of the unknown peak).
3,4,4-Trimethyl-2-pentene peak of the total quantifiable peak area
UNK17.01 (Retention time of the unknown peak).
UNK17.023 (Retention time of the unknown peak).
UNK17.15 (Retention time of the unknown peak).
UNK17.156 (Retention time of the unknown peak).
UNK17.16 (Retention time of the unknown peak).
UNK17.32 (Retention time of the unknown peak).
UNK17.54 (Retention time of the unknown peak).
UNK17.59 (Retention time of the unknown peak).
UNK17.73 (Retention time of the unknown peak).
UNK17.76 (Retention time of the unknown peak).
UNK17.87 (Retention time of the unknown peak).
UNK18.40 (Retention time of the unknown peak).
Toluene peak of the total quantifiable peak area
UNK18.61 (Retention time of the unknown peak).
UNK18.62 (Retention time of the unknown peak).
UNK18.63 (Retention time of the unknown peak).
2-Hexanone peak of the total quantifiable peak area
UNK18.90 (Retention time of the unknown peak).
UNK19.069 (Retention time of the unknown peak).
3-Hexenal peak of the total quantifiable peak area
3-Methylpentanal peak of the total quantifiable peak area
2,4-Dimethyl-3-pentanone peak of the total quantifiable peak area
2,2-Dimethylpropanoic acid peak of the total quantifiable peak area
1-Octene peak of the total quantifiable peak area
UNK20.03 (Retention time of the unknown peak).
2-Octene peak of the total quantifiable peak area
UNK20.27 (Retention time of the unknown peak).
2-Ethyl-1-hexene peak of the total quantifiable peak area
3-Methyl-1-butanol peak of the total quantifiable peak area
2,4-Dimethylhexane peak of the total quantifiable peak area
Octane peak of the total quantifiable peak area
UNK20.89 (Retention time of the unknown peak).
UNK20.98 (Retention time of the unknown peak).
(Z)-3-Octene peak of the total quantifiable peak area
2,3-Dimethyl-2-hexene peak of the total quantifiable peak area
UNK21.25 (Retention time of the unknown peak).
UNK21.26 (Retention time of the unknown peak).
UNK21.45 (Retention time of the unknown peak).
UNK21.66 (Retention time of the unknown peak).
UNK21.96 (Retention time of the unknown peak).
3,5,5-Trimethyl-1-cyclohexene peak of the total quantifiable peak area
UNK22.00 (Retention time of the unknown peak).
(E)-2-Hexenal peak of the total quantifiable peak area
UNK22.11 (Retention time of the unknown peak).
UNK22.26 (Retention time of the unknown peak).
4-Methyldecane peak of the total quantifiable peak area
3-Hexen-1-ol peak of the total quantifiable peak area
3-Methylbutanoic acid peak of the total quantifiable peak area
1-Hexanol peak of the total quantifiable peak area
UNK23.19 (Retention time of the unknown peak).
UNK23.20 (Retention time of the unknown peak).
UNK23.38 (Retention time of the unknown peak).
UNK23.65 (Retention time of the unknown peak).
UNK23.90 (Retention time of the unknown peak).
UNK23.91 (Retention time of the unknown peak).
UNK23.92 (Retention time of the unknown peak).
2-Methyl-5-Hexanone peak of the total quantifiable peak area
Methoxy-phenyl-oxime peak of the total quantifiable peak area
UNK24.33 (Retention time of the unknown peak).
UNK24.34 (Retention time of the unknown peak).
Heptanal peak of the total quantifiable peak area
UNK25.23 (Retention time of the unknown peak).
UNK25.48 (Retention time of the unknown peak).
UNK25.52 (Retention time of the unknown peak).
UNK25.83 (Retention time of the unknown peak).
UNK25.86 (Retention time of the unknown peak).
3,6-Dimethyl-tetrahydropyran-2-one peak of the total quantifiable peak area
UNK26.06 (Retention time of the unknown peak).
UNK26.08 (Retention time of the unknown peak).
UNK26.09 (Retention time of the unknown peak).
UNK26.23 (Retention time of the unknown peak).
UNK26.49 (Retention time of the unknown peak).
3-Methylpentanoic acid peak of the total quantifiable peak area
UNK26.52 (Retention time of the unknown peak).
UNK26.81 (Retention time of the unknown peak).
UNK26.82 (Retention time of the unknown peak).
Methyl 3-methyl-2-pentenoate peak of the total quantifiable peak area
1-Heptyl-2-methylcyclopropane peak of the total quantifiable peak area
Benzaldehyde peak of the total quantifiable peak area
2-Ethylhexanal peak of the total quantifiable peak area
UNK27.45 (Retention time of the unknown peak).
alpha-Pinene peak of the total quantifiable peak area
UNK27.50 (Retention time of the unknown peak).
(3E)-2,5,5-Trimethyl-1,3,6-heptatriene peak of the total quantifiable peak area
Phenol peak of the total quantifiable peak area
UNK28.13 (Retention time of the unknown peak).
6-Methyl-5-hepten-2-one peak of the total quantifiable peak area
UNK28.611 (Retention time of the unknown peak).
UNK28.612 (Retention time of the unknown peak).
UNK28.75 (Retention time of the unknown peak).
UNK28.76 (Retention time of the unknown peak).
UNK28.86 (Retention time of the unknown peak).
beta-Pinene peak of the total quantifiable peak area
Octanal peak of the total quantifiable peak area
cis-3-Hexenyl-1-Acetate peak of the total quantifiable peak area
UNK29.88 (Retention time of the unknown peak).
3-Hexen-2-one peak of the total quantifiable peak area
UNK30.244 (Retention time of the unknown peak).
UNK30.25 (Retention time of the unknown peak).
UNK30.447 (Retention time of the unknown peak).
UNK30.45 (Retention time of the unknown peak).
2-Ethyl-1-hexanol peak of the total quantifiable peak area
UNK31.01 (Retention time of the unknown peak).
UNK31.04 (Retention time of the unknown peak).
Limonene peak of the total quantifiable peak area
3,7-Dimethyl-1,2,6-octadienal peak of the total quantifiable peak area
1,8-Cineole peak of the total quantifiable peak area
beta-Ocimene peak of the total quantifiable peak area
3,3,5-Trimethylcyclohexanol peak of the total quantifiable peak area
UNK31.77 (Retention time of the unknown peak).
Acetophenone peak of the total quantifiable peak area
UNK32.08 (Retention time of the unknown peak).
UNK32.1 (Retention time of the unknown peak).
UNK32.101 (Retention time of the unknown peak).
UNK32.102 (Retention time of the unknown peak).
UNK32.22 (Retention time of the unknown peak).
UNK32.31 (Retention time of the unknown peak).
UNK32.50 (Retention time of the unknown peak).
UNK32.83 (Retention time of the unknown peak).
UNK32.839 (Retention time of the unknown peak).
UNK32.84 (Retention time of the unknown peak).
UNK33.00 (Retention time of the unknown peak).
UNK33.20 (Retention time of the unknown peak).
UNK33.50 (Retention time of the unknown peak).
Nonanal peak of the total quantifiable peak area
UNK33.66 (Retention time of the unknown peak).
Pentanoic acid, 3-methylbutyl ester peak of the total quantifiable peak area
Pentyl pentanoate peak of the total quantifiable peak area
UNK34.10 (Retention time of the unknown peak).
UNK34.11 (Retention time of the unknown peak).
UNK34.21 (Retention time of the unknown peak).
2-Butyl-1-octanol peak of the total quantifiable peak area
2-Tridecanone peak of the total quantifiable peak area
1,1-Dimethyl-3-methylene-2-vinylcyclohexane peak of the total quantifiable peak area
UNK34.72 (Retention time of the unknown peak).
UNK34.88 (Retention time of the unknown peak).
UNK34.956 (Retention time of the unknown peak).
1,5,5-Trimethyl-6-methylene-1-cyclohexene peak of the total quantifiable peak area
6-Methyl-1-octene peak of the total quantifiable peak area
UNK35.37 (Retention time of the unknown peak).
Benzoic acid peak of the total quantifiable peak area
UNK35.56 (Retention time of the unknown peak).
3,7-Dimethyl-6-octenal peak of the total quantifiable peak area
1-Methyl-4-isopropenylcyclohexan-3-ol peak of the total quantifiable peak area
UNK36.35 (Retention time of the unknown peak).
2,7-Dimethyl-3,5-octanedione peak of the total quantifiable peak area
UNK36.66 (Retention time of the unknown peak).
UNK36.70 (Retention time of the unknown peak).
UNK36.73 (Retention time of the unknown peak).
UNK37.1 (Retention time of the unknown peak).
UNK37.108 (Retention time of the unknown peak).
UNK37.11 (Retention time of the unknown peak).
UNK37.24 (Retention time of the unknown peak).
UNK37.32 (Retention time of the unknown peak).
a,a,4-Trimethyl-3-Cyclohexene-1-methanol peak of the total quantifiable peak area
UNK37.51 (Retention time of the unknown peak).
UNK37.512 (Retention time of the unknown peak).
UNK37.513 (Retention time of the unknown peak).
(2E)-2-Decen-1-ol peak of the total quantifiable peak area
UNK37.855 (Retention time of the unknown peak).
UNK37.8603 (Retention time of the unknown peak).
Benzothiazole peak of the total quantifiable peak area
UNK38.143 (Retention time of the unknown peak).
UNK38.144 (Retention time of the unknown peak).
UNK38.17 (Retention time of the unknown peak).
alpha-Farnesene peak of the total quantifiable peak area
UNK38.57 (Retention time of the unknown peak).
UNK38.574 (Retention time of the unknown peak).
UNK38.82 (Retention time of the unknown peak).
Nonanoic acid peak of the total quantifiable peak area
2-Isopropenyl-5-methyl-4-hexenal peak of the total quantifiable peak area
UNK39.17 (Retention time of the unknown peak).
UNK39.173 (Retention time of the unknown peak).
UNK39.268 (Retention time of the unknown peak).
UNK39.38 (Retention time of the unknown peak).
Docosan-1-ol peak of the total quantifiable peak area
UNK39.65 (Retention time of the unknown peak).
UNK39.85 (Retention time of the unknown peak).
UNK40.04 (Retention time of the unknown peak).
UNK40.16 (Retention time of the unknown peak).
UNK40.20 (Retention time of the unknown peak).
UNK40.23 (Retention time of the unknown peak).
UNK40.34 (Retention time of the unknown peak).
UNK40.37 (Retention time of the unknown peak).
UNK40.557 (Retention time of the unknown peak).
UNK40.56 (Retention time of the unknown peak).
UNK40.60 (Retention time of the unknown peak).
UNK40.61 (Retention time of the unknown peak).
UNK40.66 (Retention time of the unknown peak).
UNK40.90 (Retention time of the unknown peak).
UNK41.10 (Retention time of the unknown peak).
UNK41.121 (Retention time of the unknown peak).
UNK41.36 (Retention time of the unknown peak).
Copaene peak of the total quantifiable peak area
UNK41.57 (Retention time of the unknown peak).
Cedrene peak of the total quantifiable peak area
UNK41.88 (Retention time of the unknown peak).
UNK41.94 (Retention time of the unknown peak).
UNK42.014 (Retention time of the unknown peak).
UNK42.018 (Retention time of the unknown peak).
b-Caryophyllene peak of the total quantifiable peak area
4,8,8-Trimethyl-2-methylene-4-vinylbicyclo[5.2.0]nonane peak of the total quantifiable peak area
UNK42.53 (Retention time of the unknown peak).
2,6,10-Trimethyldodecane peak of the total quantifiable peak area
UNK42.841 (Retention time of the unknown peak).
UNK42.91 (Retention time of the unknown peak).
UNK43.14 (Retention time of the unknown peak).
UNK43.143 (Retention time of the unknown peak).
UNK43.144 (Retention time of the unknown peak).
UNK43.18 (Retention time of the unknown peak).
UNK43.25 (Retention time of the unknown peak).
Australia; Biogenic VOC; Emissions; thermal desorption